20243664

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 180

約数和(自身を含む): 69831840

約数和(自身を除く): 49588176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 151, 152, 168, 171, 196, 228, 252, 266, 294, 302, 304, 336, 342, 392, 399, 441, 453, 456, 504, 532, 588, 604, 684, 784, 798, 882, 906, 912, 931, 1008, 1057, 1064, 1176, 1197, 1208, 1359, 1368, 1596, 1764, 1812, 1862, 2114, 2128, 2352, 2394, 2416, 2718, 2736, 2793, 2869, 3171, 3192, 3528, 3624, 3724, 4228, 4788, 5436, 5586, 5738, 6342, 6384, 7056, 7248, 7399, 7448, 8379, 8456, 8607, 9513, 9576, 10872, 11172, 11476, 12684, 14798, 14896, 16758, 16912, 17214, 19026, 19152, 20083, 21744, 22197, 22344, 22952, 25368, 25821, 29596, 33516, 34428, 38052, 40166, 44394, 44688, 45904, 50736, 51642, 59192, 60249, 66591, 67032, 68856, 76104, 80332, 88788, 103284, 118384, 120498, 133182, 134064, 137712, 140581, 152208, 160664, 177576, 180747, 206568, 240996, 266364, 281162, 321328, 355152, 361494, 413136, 421743, 481992, 532728, 562324, 722988, 843486, 963984, 1065456, 1124648, 1265229, 1445976, 1686972, 2249296, 2530458, 2891952, 3373944, 5060916, 6747888, 10121832, 20243664]

約数ペア:

[(1, 20243664), (2, 10121832), (3, 6747888), (4, 5060916), (6, 3373944), (7, 2891952), (8, 2530458), (9, 2249296), (12, 1686972), (14, 1445976), (16, 1265229), (18, 1124648), (19, 1065456), (21, 963984), (24, 843486), (28, 722988), (36, 562324), (38, 532728), (42, 481992), (48, 421743), (49, 413136), (56, 361494), (57, 355152), (63, 321328), (72, 281162), (76, 266364), (84, 240996), (98, 206568), (112, 180747), (114, 177576), (126, 160664), (133, 152208), (144, 140581), (147, 137712), (151, 134064), (152, 133182), (168, 120498), (171, 118384), (196, 103284), (228, 88788), (252, 80332), (266, 76104), (294, 68856), (302, 67032), (304, 66591), (336, 60249), (342, 59192), (392, 51642), (399, 50736), (441, 45904), (453, 44688), (456, 44394), (504, 40166), (532, 38052), (588, 34428), (604, 33516), (684, 29596), (784, 25821), (798, 25368), (882, 22952), (906, 22344), (912, 22197), (931, 21744), (1008, 20083), (1057, 19152), (1064, 19026), (1176, 17214), (1197, 16912), (1208, 16758), (1359, 14896), (1368, 14798), (1596, 12684), (1764, 11476), (1812, 11172), (1862, 10872), (2114, 9576), (2128, 9513), (2352, 8607), (2394, 8456), (2416, 8379), (2718, 7448), (2736, 7399), (2793, 7248), (2869, 7056), (3171, 6384), (3192, 6342), (3528, 5738), (3624, 5586), (3724, 5436), (4228, 4788)]